Starrett 476 Screw Pitch Gauge, 3 1/2 - 60 TPI

The Starrett 476 Screw Pitch Gauge is an essential tool for accurately determining the pitch of both external and internal threads. Designed with precision in mind, it features a robust steel case with folding leaves at both ends, each meticulously crafted with teeth corresponding to specific thread pitches.

This gauge adheres to Whitworth standard 55° threads, ensuring compatibility with a wide range of applications. The folding leaves provide a positive stop for quick and reliable measurements, making it a must-have for machinists, engineers, and DIY enthusiasts.

Key Features:

• Material: High-quality steel construction for durability.
• Leaves: 30 folding leaves for versatile pitch measurement.
• TPI Range: Covers 3 1/2 to 60 threads per inch.
• Standard: Whitworth standard (55° threads).

Applications:

• Ideal for use in machine shops, engineering workshops, and DIY projects.
• Suitable for both external and internal thread measurements.
• Perfect for verifying thread compatibility and pitch in fasteners and mechanical components.